<div class='maincontainer'>
  <!--初始化表格对象-->
  <gc-spread-sheets [backColor]="spreadBackColor" [hostStyle]="hostStyle" (workbookInitialized)="workbookInit($event)">
  </gc-spread-sheets>
  <!--初始化上传按钮-->
  <div class='loadExcelInput'>
      <p>Open Excel File</p>
    <input type="file" name="files[]" multiple id="jsonFile" accept=".xlsx" (change)="onFileChange($event)" />
  </div>
  <!--初始化下载按钮-->
  <div class='exportExcel'>
      <p>Save Excel File</p>
      <button (click)="onClickMe($event)">Save Excel!</button>
  </div>
  </div>
  